arch/arm/include/asm/hardware/cs89712.h

   1 /*
   2  *  arch/arm/include/asm/hardware/cs89712.h
   3  *
   4  *  This file contains the hardware definitions of the CS89712
   5  *  additional internal registers.
   6  *
   7  *  Copyright (C) 2001 Thomas Gleixner autronix automation <gleixner@autronix.de>
   8  *
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24 #ifndef __ASM_HARDWARE_CS89712_H
  25 #define __ASM_HARDWARE_CS89712_H
  26
  27 /*
  28 *       CS89712 additional registers
  29 */
  30
  31 #define PCDR                    0x0002  /* Port C Data register ---------------------------- */
  32 #define PCDDR                   0x0042  /* Port C Data Direction register ------------------ */
  33 #define SDCONF                  0x2300  /* SDRAM Configuration register ---------------------*/
  34 #define SDRFPR                  0x2340  /* SDRAM Refresh period register --------------------*/
  35
  36 #define SDCONF_ACTIVE           (1 << 10)
  37 #define SDCONF_CLKCTL           (1 << 9)
  38 #define SDCONF_WIDTH_4          (0 << 7)
  39 #define SDCONF_WIDTH_8          (1 << 7)
  40 #define SDCONF_WIDTH_16         (2 << 7)
  41 #define SDCONF_WIDTH_32         (3 << 7)
  42 #define SDCONF_SIZE_16          (0 << 5)
  43 #define SDCONF_SIZE_64          (1 << 5)
  44 #define SDCONF_SIZE_128         (2 << 5)
  45 #define SDCONF_SIZE_256         (3 << 5)
  46 #define SDCONF_CASLAT_2         (2)
  47 #define SDCONF_CASLAT_3         (3)
  48
  49 #endif /* __ASM_HARDWARE_CS89712_H */